<template>
	<section>
		<!--工具条-->
		<el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
			<el-form :inline="true" :model="filters">
				<el-form-item>
					<el-input v-model="filters.keyword" placeholder="关键字"></el-input>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" v-on:click="search">查询</el-button>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" @click="handleAdd">新增</el-button>
				</el-form-item>
			</el-form>
		</el-col>

		<!--列表-->
		<el-table :data="departments" highlight-current-row v-loading="listLoading" @selection-change="selsChange"
			style="width: 100%;">
			<!-- 复选框按钮 -->
			<el-table-column type="selection" width="55">
			</el-table-column>
			<el-table-column type="index" width="60">
			</el-table-column>
			<el-table-column prop="name" label="部门名称" width="120">
			</el-table-column>
			<el-table-column prop="sn" label="部门编号" width="100">
			</el-table-column>
			<el-table-column prop="state" label="状态" width="100" :formatter="formatSex" sortable>
				<!-- 自定义展示状态的值 -->
				<template scope="scope">
					<span v-if="scope.row.state == 1" style="color: green;">启用</span>
					<span v-else="scope.row.state == 0" style="color: red;">禁用</span>
					<span style="color: #8c939d" v-else>未知</span>
				</template>
			</el-table-column>
			<el-table-column prop="manager.username" label="负责人" width="120">
			</el-table-column>
			<el-table-column prop="parent.name" label="上级部门" min-width="180">
			</el-table-column>
			<el-table-column label="操作" width="150">
				<template scope="scope">
					<el-button size="small" @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
					<el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
				</template>
			</el-table-column>
		</el-table>

		<!--工具条-->
		<el-col :span="24" class="toolbar">
			<el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
			<el-pagination layout="prev, pager, next" @current-change="handleCurrentChange" :page-size="pageSize"
				:current-page="currentPage" :total="totals" style="float:right;">
			</el-pagination>
		</el-col>

		<!--编辑或新增界面-->
		<el-dialog :title="title" :visible.sync="editFormVisible" 
		:close-on-click-modal="false">
			<el-form :model="editForm" label-width="80px" :rules="editFormRules" ref="editForm">
				<el-form-item label="部门名称" prop="name">
					<el-input v-model="editForm.name" auto-complete="off"></el-input>
				</el-form-item>
				<el-form-item label="部门编号" prop="sn">
					<el-input v-model="editForm.sn" auto-complete="off"></el-input>
				</el-form-item>
				<el-form-item label="状态">
					<el-radio-group v-model="editForm.state">
						<el-radio class="radio" :label="1">启用</el-radio>
						<el-radio class="radio" :label="0">禁用</el-radio>
					</el-radio-group>
				</el-form-item>
				<el-form-item label="部门经理">
					<el-select v-model="editForm.managerId" placeholder="请选择">
						<!--
					   v-for="item in emps" : 遍历 我们后端查询出来的 emps 集合
						:label ： 选中的时候 显示的数据是什么 这个lable应该就是我们 item中的username
						:value：我们传给后端的参数 就是item中的id
					-->
						<el-option v-for="item in emps" 
						:label="item.username" 
						:value="item.id">
							<!-- 存在下面两个的时候，下拉框展示，优先展示下面的-->
							<span style="float: left">{{ item.username }}</span>
							<span style="float: right; color: #8492a6; font-size: 13px">{{ item.phone }}</span>
						</el-option>
					</el-select>
				</el-form-item>
				<el-form-item label="上级部门">
					<!--
					            value：传给后端的值 级联选择器默认传的字段是 'value' 但是我们后端接收的是id 所以 我们要自定义
					            label ：选中后显示的值 默认显示的字段是 'label' 但是我们后端返回的是 name 所以要自定义
					          -->
					<el-cascader v-model="editForm.parentId" 
					:options="options" 
					:props="{ checkStrictly: true ,
					              value : 'id',
					              label: 'name'
					              }" clearable>
					</el-cascader>
				</el-form-item>
				</el-form-item>

			</el-form>
			<div slot="footer" class="dialog-footer">
				<el-button @click.native="editFormVisible = false">取消</el-button>
				<el-button type="primary" @click.native="editSubmit" :loading="editLoading">提交</el-button>
			</div>
		</el-dialog>


	</section>
</template>

<script>
	import util from '../../common/js/util'
	//import NProgress from 'nprogress'
	import {
		getDepartmentListPage,
		removeDepartment,
		batchRemoveDepartment,
		editDepartment,
		addDepartment
	} from '../../api/api';

	export default {
		data() {
			return {
				options: [],
				emps:[],
				title: '',
				filters: {
					keyword: ''
				},
				departments: [],
				pageSize: 5,
				currentPage: 1,
				totals: 0,
				listLoading: false,
				// //部门树字段
				// departmentTree: [],
				sels: [], //列表选中列

				editFormVisible: false, //编辑界面是否显示
				editLoading: false,
				editFormRules: { //检验规则
					name: [{
						required: true,
						message: '请输入姓名',
						trigger: 'blur'
					}],
					sn: [{
						required: true,
						message: '请输入编号',
						trigger: 'blur'
					}]
				},
				//编辑界面数据
				editForm: {
					id: null,
					sn: '',
					name: '',
					state: 1,
					managerId:null,
					parentId:null
				},
			}
		},
		methods: {
			//性别显示转换
			formatSex: function(row, column) {
				return row.sex == 1 ? '男' : row.sex == 0 ? '女' : '未知';
			},
			handleCurrentChange(val) {
				this.currentPage = val;
				this.getDepartments();
			},
			search() {
				//设置页码为第一页
				this.currentPage = 1;
				//列表查询
				this.getDepartments();
			},
			//获取部门列表
			getDepartments() {
				let para = {
					//传递分页页码
					currentPage: this.currentPage,
					//传递分页条数
					pageSize: this.pageSize,
					//传递高级查询参数
					keyword: this.filters.keyword
				};
				//开启列表忙等
				this.listLoading = true;
				//发送axios请求
				this.$http.post("/department", para)
					.then(result => {
						//查询到数据后关闭忙等
						this.listLoading = false;
						//返回数据给前端数据
						this.departments = result.data.rows;
						//返回查询到的总条数
						this.totals = result.data.totals;

						console.log(result);
					})
					.catch(result => {
						alert("仔细检查哦")
					})

			},
			//删除
			handleDel: function(index, row) {
				this.$confirm('确认删除该记录吗?', '提示', {
					type: 'warning'
				}).then(() => {
					//开启忙等
					this.listLoading = true;
					// console.log(row);
					this.$http.delete("/department/" + row.id)
						.then(result => {
							// 1.获取后端传递的AjaxResult对象
							result = result.data;
							// 2.判断删除是否成功
							console.log(result);
							if (result.success) {
								// 删除成功
								// 1.给出成功提示
								this.$message({
									message: result.msg,
									type: 'success'
								});
								// 2.修改页码为第一页
								this.currentPage = 1;
								// 3.调用函数刷新列表
								this.getDepartments();
							} else {
								// 删除失败
								// 删除成功
								// 1.给出失败提示
								this.$message({
									message: result.msg,
									type: 'error'
								});
								// 2.修改页码为第一页
								this.currentPage = 1;
								// 3.调用函数刷新列表
								this.getDepartments();
							}
						})
						.catch(result => { // 接口调用失败
							// 1.关闭忙等框
							this.listLoading = false;
							// 2.给出自定义失败提示！
							this.$message({
								message: '系统繁忙，请重试！',
								type: 'error'
							});
						})
				}).catch(() => {

				});

			},
			//显示编辑界面
			handleEdit: function(index, row) {
				this.editFormVisible = true;
				this.title = '编辑';
				this.editForm = Object.assign({}, row);
			},
			//显示新增界面
			handleAdd: function() {
				//是否开启
				this.editFormVisible = true;
				this.title = '新增';
				//标点重置
				this.editForm = {
					id: null,
					sn: '',
					name: '',
					state: 1,
					managerId: null,
					parentId: null
				};
			},
			//编辑
			editSubmit: function() {
				this.$refs.editForm.validate((valid) => {
					if (valid) { //表单校验成功进入此方法
						this.$confirm('确认提交吗？', '提示', {}).then(() => {
							this.editLoading = true; //忙等
							//NProgress.start();
							let para = Object.assign({}, this.editForm); //表单属性拷贝
							console.log(para.parentId);
							if (para.parentId) {
								// 如果存在parentId
								para.parentId = para.parentId[para.parentId.length - 1];
							}
							//表单提交
							this.$http.put("/department", para)
								.then(result => {
									//关闭忙等
									this.editLoading = false;
									//关闭弹出框
									this.editFormVisible = false;
									//获取后端传递的result
									result = result.data;
									//判断是否修改成功
									console.log(result.success);
									if (result.success) {
										// 修改成功
										// 给出成功提示
										this.$message({
											message: result.msg,
											type: 'success'
										});
										// 2.修改页码为第一页
										this.currentPage = 1;
										// 3.调用函数刷新列表
										this.getDepartments();
									} else {
										//修改失败
										this.$message({
											message: result.msg,
											type: 'error'
										});
										// 2.修改页码为第一页
										this.currentPage = 1;
										// 3.调用函数刷新列表
										this.getDepartments();
									}
								})
								.catch(result => { // 接口调用失败
									// 1.关闭忙等框
									this.listLoading = false;
									// 2.给出自定义失败提示！
									this.$message({
										message: '系统繁忙，请重试！',
										type: 'error'
									});
								})
						});
					}
				});
			},
			selsChange: function(sels) {
				this.sels = sels;
			},
			//批量删除
			batchRemove: function() {
				var ids = this.sels.map(item => item.id)
				this.$confirm('确认删除选中记录吗？', '提示', {
					type: 'warning'
				}).then(() => {
					//忙等
					this.listLoading = true;
					this.$http.patch("/department", ids)
						.then(result => {
							// 1.获取后端传递的AjaxResult对象
							result = result.data;
							// 2.判断删除是否成功
							if (result.success) {
								//删除成功
								this.$message({
									message: result.msg,
									type: "success"
								})
								//修改页面到第一页，然后再查询刷新数据
								this.currentPage = 1;
								this.getDepartments();
							} else {
								//删除操作失败
								this.$message({
									message: result.msg,
									type: "error"
								});
								//修改页面到第一页，然后再查询刷新数据
								this.currentPage = 1;
								this.getDepartments();
							}
						})
						.catch(result => { //接口调用失败哦
							//关闭忙等
							this.listLoading = false;

							//自定义失败信息
							this.$message({
								message: '系统繁忙，请重试！（看看你的接口哦）',
								type: "error"
							})
						})
				})
			},
			getDeptTree() {
				this.$http.get("/department/tree")
					.then(result => {
						this.options = result.data;
					})
			},
			getEmps(){
			      // 去查询 所有员工数据，用来作为部门经理
			      this.$http.get("/emp")
			        .then(result=>{
			          this.emps = result.data;
			        })
			    }
		},
		mounted() {
			this.getEmps();
			this.getDepartments();
			this.getDeptTree();
		}
	}
</script>

<style scoped>

</style>
